RRB JE 2015 Question Paper (26-Aug-2015) Shift 1

Question 1

Which of the following is an extensive property?

Accepted Answer

Heat capacity

Answer

Pressure

Answer

Temperature

Answer

Specific volume

Question 2

Kelvin Planck's law deals with

Accepted Answer

Conservation of heat into work

Answer

Conservation of work

Answer

Conservation of heat

Answer

Conservation of work into heat

Question 3

In which of the following mechanisms, is heat conducted in liquid and gas

Accepted Answer

Collisions and diffusion

Answer

Lattice vibration

Answer

Transportation of free electrons

Answer

No heat conducted

Question 4

An essential requirement for the transfer of heat from one body to another body is that

Accepted Answer

Temperatures of the two bodies must be different

Answer

Both bodies must be in contact

Answer

Both bodies must be solids

Answer

Temperatures of the two bodies must be same

Question 5

The silencer of an Internal combustion engine

Accepted Answer

Reduces noise

Answer

Decreases break specific fuel consumption

Answer

Increases break specific fuel consumption

Answer

Has no effect on its efficiency